30821739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11131}}^1$

素因数の和:11218

約数の個数: 16

約数和(自身を含む): 44884224

約数和(自身を除く): 14062485

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 11131, 33393, 144703, 434109, 790301, 2370903, 10273913, 30821739]

約数ペア:

[(1, 30821739), (3, 10273913), (13, 2370903), (39, 790301), (71, 434109), (213, 144703), (923, 33393), (2769, 11131)]